CVE-2026-18996CWE-266

CVE-2026-18996

Medium · published August 6, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
35.9
In the wild
Unconfirmed
What it is

A vulnerability has been found in cosmicstack-labs mercury-agent up to 1.1.12. This vulnerability affects the function PermissionManager.checkShellCommand of the file src/capabilities/permissions.ts of the component run_command Handler. Such manipulation leads to incorrect privilege assignment. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00427 · 35.9th percentile
Weakness
CWE-266 · Incorrect Privilege Assignment
Published
2026-08-06T09:16Z
References (9)
EPSS history
Timeline
  • 06 AUG 04:15Z
    cosmicstack-labs mercury-agent run_command permissions.ts PermissionManager.checkShellCommand privileges assignment
    cvelistv5